./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 09:02:31,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 09:02:31,470 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 09:02:31,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 09:02:31,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 09:02:31,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 09:02:31,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 09:02:31,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 09:02:31,501 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 09:02:31,502 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 09:02:31,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 09:02:31,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 09:02:31,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 09:02:31,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 09:02:31,505 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 09:02:31,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 09:02:31,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 09:02:31,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 09:02:31,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 09:02:31,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 09:02:31,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 09:02:31,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 09:02:31,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 09:02:31,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 09:02:31,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 09:02:31,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 09:02:31,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 09:02:31,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 09:02:31,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 09:02:31,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:02:31,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 09:02:31,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 09:02:31,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 09:02:31,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 09:02:31,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 09:02:31,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 09:02:31,510 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 09:02:31,510 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 09:02:31,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 09:02:31,511 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2024-11-12 09:02:31,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 09:02:31,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 09:02:31,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 09:02:31,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 09:02:31,732 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 09:02:31,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2024-11-12 09:02:32,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 09:02:33,389 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 09:02:33,390 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2024-11-12 09:02:33,431 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2d7a41e/755a184dff7545eab6519f78868fca3f/FLAGb34c89e9a [2024-11-12 09:02:33,571 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c2d7a41e/755a184dff7545eab6519f78868fca3f [2024-11-12 09:02:33,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 09:02:33,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 09:02:33,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 09:02:33,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 09:02:33,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 09:02:33,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:02:33" (1/1) ... [2024-11-12 09:02:33,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325ccc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:33, skipping insertion in model container [2024-11-12 09:02:33,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:02:33" (1/1) ... [2024-11-12 09:02:33,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 09:02:33,989 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2024-11-12 09:02:33,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2024-11-12 09:02:34,667 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:34,667 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:34,669 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:34,670 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:34,670 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:34,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:34,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:34,683 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:34,684 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,120 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,123 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:02:35,254 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 09:02:35,271 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2024-11-12 09:02:35,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2024-11-12 09:02:35,308 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,308 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,309 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,309 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,309 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,313 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,313 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,314 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,314 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,449 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-12 09:02:35,450 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,451 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:02:35,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-12 09:02:35,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:02:35,669 INFO L204 MainTranslator]: Completed translation [2024-11-12 09:02:35,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35 WrapperNode [2024-11-12 09:02:35,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 09:02:35,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 09:02:35,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 09:02:35,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 09:02:35,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (1/1) ... [2024-11-12 09:02:35,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (1/1) ... [2024-11-12 09:02:35,828 INFO L138 Inliner]: procedures = 679, calls = 2733, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2024-11-12 09:02:35,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 09:02:35,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 09:02:35,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 09:02:35,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 09:02:35,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (1/1) ... [2024-11-12 09:02:35,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (1/1) ... [2024-11-12 09:02:35,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (1/1) ... [2024-11-12 09:02:35,950 INFO L175 MemorySlicer]: Split 525 memory accesses to 6 slices as follows [257, 2, 238, 5, 2, 21]. 49 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 2, 6, 5, 0, 0]. The 497 writes are split as follows [257, 0, 232, 0, 1, 7]. [2024-11-12 09:02:35,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (1/1) ... [2024-11-12 09:02:35,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (1/1) ... [2024-11-12 09:02:35,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (1/1) ... [2024-11-12 09:02:35,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (1/1) ... [2024-11-12 09:02:36,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (1/1) ... [2024-11-12 09:02:36,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (1/1) ... [2024-11-12 09:02:36,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 09:02:36,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 09:02:36,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 09:02:36,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 09:02:36,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (1/1) ... [2024-11-12 09:02:36,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:02:36,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:02:36,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 09:02:36,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 09:02:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-12 09:02:36,109 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-12 09:02:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 09:02:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 09:02:36,109 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 09:02:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-12 09:02:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-12 09:02:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-12 09:02:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-12 09:02:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-12 09:02:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-12 09:02:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-12 09:02:36,110 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-12 09:02:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-12 09:02:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-12 09:02:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-12 09:02:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-12 09:02:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-12 09:02:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-12 09:02:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 09:02:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 09:02:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 09:02:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 09:02:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 09:02:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 09:02:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 09:02:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 09:02:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 09:02:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 09:02:36,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 09:02:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 09:02:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-12 09:02:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-12 09:02:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-12 09:02:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-12 09:02:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-12 09:02:36,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-12 09:02:36,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-12 09:02:36,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-12 09:02:36,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-12 09:02:36,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-12 09:02:36,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-12 09:02:36,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-12 09:02:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 09:02:36,114 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 09:02:36,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 09:02:36,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 09:02:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 09:02:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 09:02:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 09:02:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 09:02:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 09:02:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 09:02:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 09:02:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 09:02:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 09:02:36,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 09:02:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 09:02:36,116 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-12 09:02:36,117 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 09:02:36,117 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 09:02:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-12 09:02:36,117 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-12 09:02:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 09:02:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-12 09:02:36,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-12 09:02:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 09:02:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 09:02:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 09:02:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 09:02:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 09:02:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 09:02:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 09:02:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 09:02:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 09:02:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 09:02:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 09:02:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 09:02:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-12 09:02:36,120 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-12 09:02:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 09:02:36,120 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 09:02:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-12 09:02:36,120 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-12 09:02:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 09:02:36,120 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 09:02:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 09:02:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 09:02:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 09:02:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 09:02:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 09:02:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 09:02:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-12 09:02:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-12 09:02:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-12 09:02:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-12 09:02:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-12 09:02:36,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-12 09:02:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2024-11-12 09:02:36,122 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2024-11-12 09:02:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 09:02:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 09:02:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 09:02:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 09:02:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 09:02:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 09:02:36,397 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 09:02:36,399 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 09:02:36,904 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-12 09:02:43,974 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-12 09:02:43,974 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 09:02:43,991 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 09:02:43,993 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 09:02:43,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:02:43 BoogieIcfgContainer [2024-11-12 09:02:43,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 09:02:43,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 09:02:43,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 09:02:43,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 09:02:43,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:02:33" (1/3) ... [2024-11-12 09:02:44,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ead12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:02:44, skipping insertion in model container [2024-11-12 09:02:44,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:02:35" (2/3) ... [2024-11-12 09:02:44,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ead12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:02:44, skipping insertion in model container [2024-11-12 09:02:44,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:02:43" (3/3) ... [2024-11-12 09:02:44,003 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2024-11-12 09:02:44,018 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 09:02:44,019 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 09:02:44,077 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 09:02:44,086 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@21158da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 09:02:44,087 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 09:02:44,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-12 09:02:44,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-12 09:02:44,100 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:02:44,101 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 09:02:44,102 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:02:44,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:02:44,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1689756811, now seen corresponding path program 1 times [2024-11-12 09:02:44,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:02:44,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865812400] [2024-11-12 09:02:44,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:02:44,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:04:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:00,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:04:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:00,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 09:04:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:00,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 09:04:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:00,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:04:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:00,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-12 09:04:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:01,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 09:04:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:01,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:04:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:01,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 09:04:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:01,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:04:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:01,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 09:04:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:01,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 09:04:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:01,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 09:04:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:04:01,530 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-12 09:04:01,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:04:01,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865812400] [2024-11-12 09:04:01,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865812400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 09:04:01,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 09:04:01,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 09:04:01,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50220605] [2024-11-12 09:04:01,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 09:04:01,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 09:04:01,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 09:04:01,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 09:04:01,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 09:04:01,561 INFO L87 Difference]: Start difference. First operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-12 09:04:05,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:04:10,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 09:04:14,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []